If I hooked up 2 amps would I need to buy a separate battery?

its a small compact sporty car. 4 cylinders stock alternator and battery specs. i was wondering if i'll have to change anything if i have a system that puts out 1000W rms. the alternator produces 105 amps

I have 2 kenwood amps, one hooked up to 2 12" subs and the other hooked up to 2 6X9 speakers. I can not get the amps to turn on. One of the amps is brand new, and the subs and other amp where in my old car and worked fine. I have the system wired...

My battery was dead, I am on a road trip stuck on labor day in some small city, 1400 miles from home. It was 5 in the morning when I decided to purchase a battery after I attempted to jump start using someone car, it would still not start. I installed...

We recently bought our first boat. Its an outboard 16 ft 1989 Sea-Ray. We are new to boating and have a few questions we need answered before memorial day weekend! We bout the boat in Feb. this year and took it out for a short trip in April on a small...

QUESTION: I have a 1989 eldorado that i just bought. I drove it home and everything was fine. The next morning the battery was dead. i went and got a new battery and put it in and it was fine all day. The next morning i go out and the battery is dead...

I also have a 3 farad Cap, and my alternator is semi new about 3 months now. I have everything hooked up but my night driving lights still die down when the bass note hits, my interior dash lights & just about anything that has lights go way dim...

Ok, last november I had remote start/alarm and a new stereo installed by best buy in my 2006 chevy silverado. With work I was driving it around every day until I hit christmas vacation. After it sat for a couple of days the battery was dead. Jumped it...

i want a 2nd battery to run 2 amps off of and its 1 of those special shurieken batteries. so right now im using a 2000 watt amp and my car runs fine so im asking what do i need to run two amps off of a battery besides battery cables? i dont need to upgrade...

I have 2 Twelves Kickers. I have and amp that has 820 watts and I am going to install another amp, Hifonics, with 1600 watts. Do I need another battery for my car since I am using two amps? I think that all the energy from the amps are going to drain...